55111580

素因数分解:

$2^2\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{2731}}^1$

素因数の和:3749

約数の個数: 24

約数和(自身を含む): 115891440

約数和(自身を除く): 60779860

約数列:

[1, 2, 4, 5, 10, 20, 1009, 2018, 2731, 4036, 5045, 5462, 10090, 10924, 13655, 20180, 27310, 54620, 2755579, 5511158, 11022316, 13777895, 27555790, 55111580]

約数ペア:

[(1, 55111580), (2, 27555790), (4, 13777895), (5, 11022316), (10, 5511158), (20, 2755579), (1009, 54620), (2018, 27310), (2731, 20180), (4036, 13655), (5045, 10924), (5462, 10090)]